// Following function matches the text and sets it back up

function txt_set(eleId,txt)
{	if(document.getElementById(eleId).value==txt){document.getElementById(eleId).value='';} }

function txt_chk(eleId,txt)
{	if(document.getElementById(eleId).value==""){document.getElementById(eleId).value=txt;} }
  
  
function josh_validation(str1,str2,str3)
{

	var rs,err;
	rs=true;
	err='';
	if(str1=='Enter your name here' || str2=='Enter your name here' || str3=='Enter your name here')
	{err=err+"Name is required";rs=false;}
	
	if (str1=='Enter your number here' || str2=='Enter your number here' || str3=='Enter your number here')
	{err=err+"\nNumber is required";rs=false;}
	
	if(str1=='Enter your email here' || str2=='Enter your email here' || str3=='Enter your email here')
	{err=err+"\nEmail is required";rs=false;}	


	if(rs!=true)
	{alert(err);}


	
	return rs;
}

//Following function increases or decreases font size on the page
var p_min=8;
var p_max=18;
var h1_min=24;
var h1_max=32;
function increaseFontSize() {
   var p = document.getElementsByTagName('p');
   var h1=document.getElementsByTagName('h1');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=p_max) {
         s += 1;
      }
      p[i].style.fontSize = s+"px"
   }
   //checks for h1 tag
   for(i=0;i<h1.length;i++)
   {
   if(h1[i].style.fontSize) {
         var h1_s = parseInt(h1[i].style.fontSize.replace("px",""));
      } else {
         var h1_s = 24;
      }
      if(h1_s!=h1_max) {
         h1_s += 1;
      }
      h1[i].style.fontSize = h1_s+"px"
   }
}
function decreaseFontSize() {
   var p = document.getElementsByTagName('p');
   var h1 = document.getElementsByTagName('h1');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 12;
      }
      if(s!=p_min) {
         s -= 1;
      }
      p[i].style.fontSize = s+"px"
	  
   }  
   //checks for h1 tag
   for(i=0;i<h1.length;i++) {
      if(h1[i].style.fontSize) {
         var h1_s = parseInt(h1[i].style.fontSize.replace("px",""));
      } else {
         var h1_s = 24;
      }
      if(h1_s!=h1_min) {
         h1_s -= 1;
      }
      h1[i].style.fontSize = h1_s+"px"
   }  
}